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ES2023994B3 - VACUUM OVEN FOR THE HEAT TREATMENT OF METALLIC WORKPIECES - Google Patents

VACUUM OVEN FOR THE HEAT TREATMENT OF METALLIC WORKPIECES

Info

Publication number
ES2023994B3
ES2023994B3 ES88116478T ES88116478T ES2023994B3 ES 2023994 B3 ES2023994 B3 ES 2023994B3 ES 88116478 T ES88116478 T ES 88116478T ES 88116478 T ES88116478 T ES 88116478T ES 2023994 B3 ES2023994 B3 ES 2023994B3
Authority
ES
Spain
Prior art keywords
heat treatment
metallic workpieces
vacuum oven
workpieces
metallic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES88116478T
Other languages
Spanish (es)
Inventor
Paul Heilmann
Erwin Heumuller
Fritz Kalbfleisch
Friedrich Preisser
Rolf Schuster
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6339264&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2023994(B3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Degussa GmbH filed Critical Degussa GmbH
Application granted granted Critical
Publication of ES2023994B3 publication Critical patent/ES2023994B3/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
    • F27B5/06—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B5/16—Arrangements of air or gas supply devices
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/767—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material with forced gas circulation; Reheating thereof
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/773—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material under reduced pressure or vacuum
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D7/00—Forming, maintaining or circulating atmospheres in heating chambers
    • F27D7/04—Circulating atmospheres by mechanical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
    • F27B5/06—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B2005/062—Cooling elements
    • F27B2005/064—Cooling elements disposed in the furnace, around the chamber, e.g. coils
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
    • F27B5/06—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B5/14—Arrangements of heating devices
    • F27B2005/143—Heating rods disposed in the chamber
    • F27B2005/146—Heating rods disposed in the chamber the heating rods being in the tubes which conduct the heating gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
    • F27B5/06—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B5/16—Arrangements of air or gas supply devices
    • F27B2005/161—Gas inflow or outflow
    • F27B2005/164—Air supply through a set of tubes with openings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
    • F27B5/06—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B5/16—Arrangements of air or gas supply devices
    • F27B2005/166—Means to circulate the atmosphere
    • F27B2005/167—Means to circulate the atmosphere the atmosphere being recirculated through the treatment chamber by a turbine

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Furnace Details (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Thermally Insulated Containers For Foods (AREA)
  • Meat, Egg Or Seafood Products (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

A vacuum furnace for heat treatment of metallic workpieces wherein the heat conductors are formed as conduits fitted with bore holes and connected by electrical insulators to coolant gas distributor.
ES88116478T 1987-10-28 1988-10-05 VACUUM OVEN FOR THE HEAT TREATMENT OF METALLIC WORKPIECES Expired - Lifetime ES2023994B3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3736502A DE3736502C1 (en) 1987-10-28 1987-10-28 Vacuum furnace for the heat treatment of metallic workpieces

Publications (1)

Publication Number Publication Date
ES2023994B3 true ES2023994B3 (en) 1992-02-16

Family

ID=6339264

Family Applications (1)

Application Number Title Priority Date Filing Date
ES88116478T Expired - Lifetime ES2023994B3 (en) 1987-10-28 1988-10-05 VACUUM OVEN FOR THE HEAT TREATMENT OF METALLIC WORKPIECES

Country Status (24)

Country Link
US (1) US4869470A (en)
EP (1) EP0313889B1 (en)
JP (1) JPH01142018A (en)
CN (1) CN1015474B (en)
AT (1) ATE65800T1 (en)
AU (1) AU601084B2 (en)
BG (1) BG49829A3 (en)
BR (1) BR8805558A (en)
CA (1) CA1313043C (en)
CS (1) CS711288A3 (en)
DD (1) DD283455A5 (en)
DE (2) DE3736502C1 (en)
DK (1) DK164747C (en)
ES (1) ES2023994B3 (en)
FI (1) FI85386C (en)
HU (1) HU199903B (en)
IL (1) IL87761A (en)
IN (1) IN170643B (en)
NO (1) NO169783C (en)
PL (1) PL156379B1 (en)
PT (1) PT88895B (en)
SU (1) SU1813194A3 (en)
YU (1) YU46575B (en)
ZA (1) ZA886832B (en)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3735186C1 (en) * 1987-10-17 1988-09-15 Ulrich Wingens Vacuum chamber furnace
DE3736501C1 (en) * 1987-10-28 1988-06-09 Degussa Process for the heat treatment of metallic workpieces
DE3818471A1 (en) * 1988-05-31 1989-12-21 Ipsen Ind Int Gmbh OVEN FOR HEAT TREATMENT OF IRON AND STEEL PARTS
DE3910234C1 (en) * 1989-03-30 1990-04-12 Degussa Ag, 6000 Frankfurt, De
DE3933423C2 (en) * 1989-10-06 1994-12-22 Nokia Deutschland Gmbh Device for heat treatment, in particular for LCD substrate plates
JP2656839B2 (en) * 1989-12-15 1997-09-24 神鋼コベルコツール株式会社 Vacuum heat treatment furnace
DE4034085C1 (en) * 1990-10-26 1991-11-14 Degussa Ag, 6000 Frankfurt, De
JPH0569595U (en) * 1992-02-27 1993-09-21 中外炉工業株式会社 Vacuum heat treatment furnace with furnace cooling promotion function
PL170386B1 (en) * 1993-01-14 1996-12-31 Seco Warwick Sp Z Oo Vacuum-type heat treatment furnace
DE19501873C2 (en) * 1995-01-23 1997-07-03 Ald Vacuum Techn Gmbh Method and device for cooling workpieces, in particular for hardening
SE504320C2 (en) * 1995-06-22 1997-01-13 Aga Ab Process and plant for treating components with a gas mixture
TW366409B (en) * 1997-07-01 1999-08-11 Exxon Production Research Co Process for liquefying a natural gas stream containing at least one freezable component
KR100307996B1 (en) * 1999-06-25 2001-09-24 이용익 The vacuum furnace for quenching of the metallic tools
DE10117987A1 (en) * 2001-04-10 2002-10-31 Ald Vacuum Techn Ag Charging frame used for heat treatment and cooling of metal parts, e.g. roller bearing parts, to be hardened is partially screened over the height of one side
KR100495267B1 (en) * 2002-10-29 2005-06-16 주식회사제4기한국 Automatic vacuum mold heat treatment apparatus
JP4280981B2 (en) * 2003-06-27 2009-06-17 株式会社Ｉｈｉ Cooling gas air path switching device for vacuum heat treatment furnace
PL202005B1 (en) * 2004-11-19 2009-05-29 Politechnika & Lstrok Odzka In Hardening heater with closed hydrogen circuit
CN101804489B (en) * 2010-04-23 2011-10-05 山东高唐杰盛半导体科技有限公司 Direct heating type vacuum welding furnace
JP5496828B2 (en) * 2010-08-27 2014-05-21 東京エレクトロン株式会社 Heat treatment equipment
KR101439380B1 (en) * 2012-10-31 2014-09-11 주식회사 사파이어테크놀로지 Heat Treatment Method and Apparatus for Sapphier Single Crystal
CN104180668A (en) * 2013-05-23 2014-12-03 上海颐柏热处理设备有限公司 Device for rapidly cooling heating chamber of box-type heat treatment furnace
CN105296899B (en) * 2015-10-26 2017-08-04 陈芬芬 A kind of guiding device in Al alloy parts heat-treatment furnace
CN106148883A (en) * 2016-08-31 2016-11-23 潍坊丰东热处理有限公司 A kind of well formula nitriding furnace internal cooling system
CR20180123A (en) * 2016-11-29 2018-10-16 Yue Zhang STRONG OXYGEN-FREE HOT AIR WELDING SYSTEM
CN108213639A (en) * 2016-12-12 2018-06-29 张跃 A kind of soldering oven heat-insulating circulating system
CN107164627B (en) * 2017-04-18 2018-10-16 燕山大学 A kind of aluminium-alloy pipe cycle annealing processing equipment stove
DE102017128076A1 (en) * 2017-11-28 2019-05-29 Gautschi Engineering Gmbh Batch furnace for annealed material and method for heat treatment of a furnace material
RU2705186C1 (en) * 2019-01-14 2019-11-05 Общество с ограниченной ответственностью "Катод" Method of workpiece cooling in vacuum heating chamber of vacuum furnace and vacuum furnace
DE102019204869A1 (en) * 2019-04-05 2020-10-08 Audi Ag Quenching device for batch cooling of metal components
KR102014809B1 (en) * 2019-04-26 2019-08-27 이준연 Heat treatment furnace using inert gas
CN111153406B (en) * 2019-12-24 2021-06-04 山东天岳先进科技股份有限公司 Synthetic furnace and synthetic method for preparing silicon carbide powder
CN113847805B (en) * 2021-09-28 2023-07-21 山东交通学院 Superhigh temperature sintering furnace

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1617056A (en) * 1926-04-10 1927-02-08 Charles F Kenworthy Inc Furnace
DE1259919B (en) * 1964-06-12 1968-02-01 Harold Norregard Ipsen Furnace for the heat treatment of metal workpieces
DE1919493C3 (en) * 1969-04-17 1980-05-08 Ipsen Industries International Gmbh, 4190 Kleve Atmospheric vacuum furnace
US4113977A (en) * 1977-08-19 1978-09-12 Brown Boveri Corporation Preheating system with gas recirculation
DE2839807C2 (en) * 1978-09-13 1986-04-17 Degussa Ag, 6000 Frankfurt Vacuum furnace with gas cooling device
DE2844843C2 (en) * 1978-10-14 1985-09-12 Ipsen Industries International Gmbh, 4190 Kleve Industrial furnace for the heat treatment of metallic workpieces
US4235592A (en) * 1979-08-29 1980-11-25 Autoclave Engineers, Inc. Autoclave furnace with mechanical circulation
DE3416902A1 (en) * 1984-05-08 1985-11-14 Schmetz Industrieofenbau und Vakuum-Hartlöttechnik KG, 5750 Menden METHOD AND VACUUM OVEN FOR HEAT TREATING A BATCH

Also Published As

Publication number Publication date
NO169783B (en) 1992-04-27
AU2440588A (en) 1989-05-04
DE3864008D1 (en) 1991-09-05
ZA886832B (en) 1989-05-30
NO169783C (en) 1992-08-05
IL87761A (en) 1993-01-31
BR8805558A (en) 1989-07-11
CN1033840A (en) 1989-07-12
FI85386B (en) 1991-12-31
BG49829A3 (en) 1992-02-14
ATE65800T1 (en) 1991-08-15
NO884390L (en) 1989-05-02
IN170643B (en) 1992-04-25
CN1015474B (en) 1992-02-12
NO884390D0 (en) 1988-10-04
HU199903B (en) 1990-03-28
PL275470A1 (en) 1989-05-02
HUT49652A (en) 1989-10-30
US4869470A (en) 1989-09-26
YU46575B (en) 1993-11-16
FI884514A0 (en) 1988-09-30
CS276378B6 (en) 1992-05-13
YU193888A (en) 1990-04-30
JPH01142018A (en) 1989-06-02
DK164747C (en) 1992-12-28
PL156379B1 (en) 1992-03-31
DK596488A (en) 1989-04-29
AU601084B2 (en) 1990-08-30
DD283455A5 (en) 1990-10-10
SU1813194A3 (en) 1993-04-30
FI85386C (en) 1992-04-10
PT88895A (en) 1989-09-14
EP0313889A1 (en) 1989-05-03
DE3736502C1 (en) 1988-06-09
DK596488D0 (en) 1988-10-27
EP0313889B1 (en) 1991-07-31
DK164747B (en) 1992-08-10
FI884514A (en) 1989-04-29
PT88895B (en) 1997-02-28
CS711288A3 (en) 1992-05-13
IL87761A0 (en) 1989-02-28
CA1313043C (en) 1993-01-26

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